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Neotropical Ichthyology, 2004 Fig. 3. Means and standard error (vertical lines) for gonadosomatic index (GSI) by sex and size classes for Geophagus brasiliensis in the Lajes Reservoir. Between-sex significant differences: * p
Alejandra Filippo Gonzalez Neves Dos Santos +2 more
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Environmentally related life history variations in Geophagus brasiliensis
Journal of Fish Biology, 2002Rosana Mazzoni, Ricardo Iglesias-Rios
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Bioconcentration and bioaccumulation of metal in freshwater Neotropical fish Geophagus brasiliensis
Environmental Science and Pollution Research, 2014From the concentration in water and sediments, bioconcentration and bioaccumulation of copper (Cu), manganese (Mn), zinc (Zn), iron (Fe), cobalt (Co), cadmium (Cd), chrome (Cr), silver (Ag), lead (Pb), nickel (Ni), aluminum (Al), and arsenic (As) were determined in the gills, liver, and muscles of Geophagus brasiliensis in the Alagados Reservoir, Ponta
Cleber Pinto da Silva +2 more
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Journal of Fish Biology, 2022
AbstractA new species of Geophagus sensu stricto is described from the Tapajos River basin, Brazil, elevating the number of species of the genus to 21. The new species is of commercial importance and is known in the aquarist trade as Geophagus ‘red head’.
Junior Chuctaya +4 more
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AbstractA new species of Geophagus sensu stricto is described from the Tapajos River basin, Brazil, elevating the number of species of the genus to 21. The new species is of commercial importance and is known in the aquarist trade as Geophagus ‘red head’.
Junior Chuctaya +4 more
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Genetic diversity of Geophagus brasiliensis from the South American Atlantic Rainforest [PDF]
Forensic Science International: Genetics Supplement Series, 2017 Abstract The Atlantic Rainforest is one of the global conservation hotspots, representing a seriously threatened area with high levels of endemism and species richness. The fishes from the Atlantic Rainforest are one of the most exploited vertebrate groups by the international aquarium commerce, with an annual trade volume of about U$15-25 billions ...
Antonio Amorim +2 more
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Influence of season and pollution on the antioxidant defenses of the cichlid fish acará (Geophagus brasiliensis) [PDF]
Brazilian Journal of Medical and Biological Research, 2001 The livers of Geophagus brasiliensis collected from both a non-polluted site and a polluted site were analyzed for different antioxidant defenses, O2 consumption, thiobarbituric acid-reactive substance (TBARS) levels, and histological damage. Compared to controls (116.6 +/- 26.1 nmol g-1), TBARS levels were enhanced at the polluted site (284.2 +/- 25.6
D Wilhelm Filho +2 more
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The hemoglobin of Geophagus brasiliensis (cichlidae)
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1991Abstract 1. 1. The hemoglobin of Geophagus brasiliensis was submitted to electrophoresis on starch gel and agar-starch on microscopic slides. In both supporting media five major components were observed. 2. 2. Stripped hemoglobin showed normal Bohr shift (Δlog p 50 /Δ pH = θ = −0.661 ).
Arno R. Schwantes +2 more
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Genotoxic Damages and Bioaccumulation of Cadmium in Geophagus Brasiliensis (Quoy & Gaimard, 1824)
Bulletin of Environmental Contamination and Toxicology, 2019The toxic effects of cadmium (Cd) in Geophagus brasiliensis was investigated in the present study. For this, 32 specimens of G. brasiliensis were exposed in individual aquaria to Cd concentrations (0.00, 0.01, 0.07, and 0.67 mg/L) for 14 days. The micronuclei test did not detect the genotoxic damage at the studied concentrations and time of exposure ...
Emanuelle Carneiro Queiroz +5 more
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